/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.intellij.util;

import org.jetbrains.annotations.NotNull;

/**
 * @author Gregory.Shrago
 */
@FunctionalInterface
public interface PairProcessor<S, T> {
  boolean process(S s, T t);


  @NotNull
  static <S,T> PairProcessor<S,T> alwaysFalse() {
    return (__, __1) -> false;
  }

  @NotNull
  static <S,T> PairProcessor<S,T> alwaysTrue() {
    return (__, __1) -> true;
  }
}
